Luca. Outlook toolbar keeps not responding when opening outlook. Removed 2 old mailboxes Melanie and another as not used anymore. Had 2016 and 2021 in Programs. Removed 2016. Rebooted. Tested each Dropdown menu. OK. Sent test email to main account. Tests OK Same occurred on Concierge. Has 1 email address. Done quick/online repair. Tests OK